| Name | School | Sub-Type |
|---|---|---|
| Interlake High Boosters | Classification 1 | |
| Interlake Girls Basketball | ||
| Inspire Academy of Dance | Classification 3 | |
| Indus Geahons | ||
| Indian Association of Western Washington (IAWW) | Classification 3 | |
| India Assoc of Western WA | Classification 3 | |
| Ice Angles | Classification 4 | |
| ITVC (Island Thunder Volleyball Club) | ||
| IS PTSA | Classification 1 | |
| IS Boosters | Classification 1 | |
| IRC Ballet | ||
| IHS PTSA | Classification 1 | |
| IHS Boosters | Interlake High School | Classification 1 |
| Hwa Kang Dance Academy | ||
| Huayin Performing Arts Group | Classification 2 | |
| Honda of Bellevue Baseball Club | ||
| Hindu Temple Cultural Center (HTCC) | Classification 3 | |
| High Velocity | ||
| Hawblitzel basketball | Classification 2 | |
| Hawblitzel Basketball | Classification 2 | |
| Gurukul | ||
| Guilderland High School | ||
| Great Conversations | ||
| Global Organization for Arts & Leadership | ||
| Girl Scouts of Western WA | Classification 2 | |
| GURUKUL | ||
| GIRLS BASKETBALL PARENTS | Newport High School | |
| Friends of Youth - Safe Place | ||
| Friends of Lisa Wellman | ||
| Friends of Hoop Seattle Basketball |
